| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be kept at a | 22 |
|
| 2 | [be] kept at a | 22 |
|
| 3 | [be] kept at a | 9 |
|
| 4 | be kept at a | 9 |
|
| 5 | is kept at a | 7 |
|
| 6 | [is] kept at a | 7 |
|
| 7 | kept at a [adj] | 17 |
|
| 8 | kept at a [adj] | 17 |
|
| 9 | kept at a [noun] | 10 |
|
| 10 | kept at a [noun sg] | 10 |
|
